%&LaTeX
\documentclass{article}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{Sylvestre2009} Sylvestre, D. L. (2009). Peer work at the OASIS Clinic in Oakland. In \textit{1st International Symposium on Hepatitis care in substance users} (57). Zurich: O.A.S.I.S. Clinic (Organization to Achieve Solutions in Substance-Abuse).

\end{thebibliography}

\end{document}

